#include<stdio.h>
#include<stdbool.h>

/*int a;
unsigned char b;
bool c;
float d;
char e[50];
int birth_year;*/


int main()
{
    /*a = 5e4;
    printf("%d\n",a);*/
//    b = -10;
//    printf("%x\n",b);
    /*c = 1;
    d = 0.323231;
    int i = 0;*/

/*   
    while(c)
    {
        if( i >= 21 ) break;
        i++;
        printf( "这个c是1啊!!!#%d\n" , i );
    }
*/

/*printf("请输入你的姓名和出生年份:\n");
scanf("%s %d",e,&birth_year);

int age = 2025 - birth_year;
printf("你好，你是叫%s,今年大概%d岁。\n",e,age);
*/



    char ch1,ch2;
    ch1 = '他说：\"你好!\"';
    ch2 = 'first\nsecond';
    printf("%c %c\n",ch1,ch2);
    printf("%d %d\n",ch1,ch2);


    return 0;
}